February 26, 2013 8:48 am Graduation Rates Improve Study finds fewer high school dropouts, but some demographics still lag behind. NBC’s Danielle Leigh reports. Local 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:59 Smart devices make accidental 911 calls, emergency communications centers say 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name